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名称
胶原酶 来源于溶组织梭菌
货号
C754928-25mg
包装规格
25mg
浓度
Type IA, 0.5-5.0 FALGPA units/mg solid,≥125 CDU/mg solid, For general use
产品介绍
该酶还与其他蛋白酶一起被用于分解人类肿瘤、小鼠肾脏、人脑和肺上皮组织。它还在在肝、肾灌注研究、胰腺消化、非实质大鼠肝细胞和肝细胞分离等方面有应用价值。Sigma的该酶用于牛小梁和皮质骨I型胶原的消化。它也被用作B组链球菌细胞FALGPA检测的阳性对照。适用于制备用于测序的单细胞悬液。 The enzyme has also been used along with other proteases for the disaggregation of human tumor, mouse kidney, human brain, and lung epithelial tissues. It is also useful in liver and kidney perfusion studies, digestion of pancreas, isolation of nonparenchymal rat liver cells and hepatocytes. The enzyme from Sigma has been used for the digestion of type I collagen from bovine trabecular and cortical bones. It has also been used as a positive control in FALGPA assay on Group B Streptococci cells. Suitable for use in preparation of single cell suspension for sequencing.
生化机理
从组织中有效释放细胞需要胶原酶和中性蛋白酶的共同作用。每摩尔胶原酶由4g原子钙(Ca 2+ ) 酶激活。培养滤液被认为含有分子量在68-130 kDa之间的至少7种不同的蛋白酶。最佳pH范围为6.3-8.8。这种酶通常用于消化组织样本中的结缔组织成分,以释放单个细胞。胶原酶治疗会导致一些细胞死亡。通常,消化浓度从0.1到5 mg/mL不等。为产生令人满意的细胞解离效率并不会造成太多的细胞死亡,其反应时间从15分钟到几个小时不等。最好使用含有钙和BSA的Krebs Ringer缓冲液,Zn 2+ 是活性必需的。该酶识别序列 -R-Pro-8-X-Gly-Pro-R-,其中X通常是中性氨基酸。乙二醇双(β-氨基乙基醚)-N,N,N′,N′-四乙酸(EGTA)4;β-巯基乙醇;谷胱甘肽(还原型));巯基乙酸钠;2、2′-联吡啶;8-羟基喹啉、半胱氨酸具有抑制该酶活性的作用。每摩尔胶原蛋白酶被4g原子钙活化。 它被乙二醇-双(β-氨基乙基醚)-N,NN′,N′-四乙酸,β-巯基乙醇、谷胱甘肽、巯基乙酸和8-羟基喹啉抑制。
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Research chemical 25mg

Research chemical 25mg; supplied for laboratory research, analysis, inspection, and scientific procurement use; specifications: 25mg.

item number:C754928-25mg
Product model:25mg
level: 25mg
Lead Time:30days
sold 436 Items
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